Throughout the Lifecycle Flashcards

Which testing principle states that testing can show the presence of defects but cannot prove their absence?

Answer: Testing shows presence of defects, not absence

Testing can reveal defects but cannot guarantee a defect-free product, as it is impossible to test every possible input and scenario.

In a V-model, what development phase corresponds to system testing?

Answer: System requirements

System testing corresponds to the system requirements phase in the V-model, verifying the system meets its specified requirements.

What is the primary goal of regression testing in iterative development?

Answer: Verify that previously working functions still work after changes

Regression testing ensures that changes, fixes, or new features have not broken previously working functionality.

Which SDLC model is best suited for projects where requirements are well-understood and unlikely to change?

Answer: Sequential (Waterfall)

The sequential (waterfall) model works best when requirements are stable and well-defined upfront, allowing each phase to complete before the next begins.

In agile development, what testing activity typically occurs during a sprint review?

Answer: Acceptance testing with stakeholders

Sprint reviews involve demonstrating working software to stakeholders, which often includes acceptance testing to validate delivered functionality.

What does 'shift-left testing' mean in the context of the software development lifecycle?

Answer: Moving testing activities earlier in the development process

Shift-left testing means incorporating testing activities earlier in the SDLC to catch defects sooner and reduce the cost of fixing them.

Which type of review is the most formal, requiring entry/exit criteria, defined roles, and a recorded outcome?

Answer: Inspection

Inspections are the most formal review type, following a documented process with defined roles (moderator, author, reviewers), checklists, and formal defect logging.